darkcomet | 08a65355da81446434465f31be08fff8c0a6b6b3d2ab2c14cc903fbe01f39b53

General

Target

JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe
Size

708KB
MD5

0f5c444a8fc12b40a7076e495855813b
SHA1

fe527c1e874f522cd38ac18c31623654a4b0ba10
SHA256

08a65355da81446434465f31be08fff8c0a6b6b3d2ab2c14cc903fbe01f39b53
SHA512

9881939a73166e5a0f34837db8258f0abe77a90e121f48d784abcc45804a36d408f34daf0e8207e79048202b5ab85080f6011983b68d6285fde16e76d6247e7d
SSDEEP

12288:HM6Lx8ckslStluh/g60Mi6ItMKp67/m5EZ2anOZnjWnpw2KtW31j6a9G85:HfxLleM/g60MpItvQ7Oq0aOcL31d

Score

10^/10

darkcomet slave discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Slave

C2

otthon.no-ip.biz:1604

Mutex

DC_MUTEX-VJNPWBG

Attributes

gencode
V5Suo32cXR48
install
false
offline_keylogger
true
persistence
false

rc4.plain

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 388 set thread context of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4248	vbc.exe
Token: SeSecurityPrivilege	4248	vbc.exe
Token: SeTakeOwnershipPrivilege	4248	vbc.exe
Token: SeLoadDriverPrivilege	4248	vbc.exe
Token: SeSystemProfilePrivilege	4248	vbc.exe
Token: SeSystemtimePrivilege	4248	vbc.exe
Token: SeProfSingleProcessPrivilege	4248	vbc.exe
Token: SeIncBasePriorityPrivilege	4248	vbc.exe
Token: SeCreatePagefilePrivilege	4248	vbc.exe
Token: SeBackupPrivilege	4248	vbc.exe
Token: SeRestorePrivilege	4248	vbc.exe
Token: SeShutdownPrivilege	4248	vbc.exe
Token: SeDebugPrivilege	4248	vbc.exe
Token: SeSystemEnvironmentPrivilege	4248	vbc.exe
Token: SeChangeNotifyPrivilege	4248	vbc.exe
Token: SeRemoteShutdownPrivilege	4248	vbc.exe
Token: SeUndockPrivilege	4248	vbc.exe
Token: SeManageVolumePrivilege	4248	vbc.exe
Token: SeImpersonatePrivilege	4248	vbc.exe
Token: SeCreateGlobalPrivilege	4248	vbc.exe
Token: 33	4248	vbc.exe
Token: 34	4248	vbc.exe
Token: 35	4248	vbc.exe
Token: 36	4248	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4248	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87
PID 388 wrote to memory of 4248	388	JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f5c444a8fc12b40a7076e495855813b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:388
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/388-11-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/388-1-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/388-2-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/388-0-0x0000000074E52000-0x0000000074E53000-memory.dmp

Filesize
4KB

Download
memory/4248-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4248-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

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